S822还支持6.1的系统吗？

必须支持啊

最好查看一下S822的红皮书，S822是支持aix 6.1的，不过有补丁版本要求，ls都已经回答的很详细了

POWER8 服务器支持的AIX版本
S822/S824/S814:
AIX Version 7.1 with the 7100-03 Technology Level and Service Pack 3, with APAR IV56367, or later
AIX Version 7.1 with the 7100-02 Technology Level and Service Pack 5 or later
AIX Version 7.1 with the 7100-01 Technology Level and Service Pack 10 or later
AIX Version 6.1 with the 6100-09 Technology Level and Service Pack 3, with APAR IV56366, or later
AIX Version 6.1 with the 6100-08 Technology Level and Service Pack 5 or later
AIX Version 6.1 with the 6100-07 Technology Level and Service Pack 10 or later

These additional AIX levels are supported in an LPAR using virtualize I/O only:
AIX Version 7.1 with the 7100-03 Technology Level and Service Pack 1, or later
AIX Version 7.1 with the 7100-02 Technology Level and Service Pack 1, or later
AIX Version 7.1 with the 7100-01 Technology Level and Service Pack 6, or later
AIX Version 6.1 with the 6100-09 Technology Level and Service Pack 1, or later
AIX Version 6.1 with the 6100-08 Technology Level and Service Pack 1, or later
AIX Version 6.1 with the 6100-07 Technology Level and Service Pack 6, or later

IBM i 7.1 with TR8, or later; 7.2, or later (除S822以外)

VIOS 2.2.3.3 with interim fix IV56366, or later
VIOS 2.2.2.5 (availability August 29, 2014)
VIOS 2.2.1.9 (availability August 29, 2014)

物理机：AIX 6.1 Technology Level 9 with Service Pack 5 and APAR IV68443 or later
虚拟机：AIX 6.1 TL9 SP1